Annual report pursuant to Section 13 and 15(d)

Prepayment for Long-Term Assets (Details)

v3.8.0.1
Prepayment for Long-Term Assets (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Prepayment for Long-Term Assets    
Prepayment for fishing vessels' construction $ 11,577,057 $ 11,913,912
Reclassification to construction-in-progress [Member]    
Prepayment for Long-Term Assets    
Prepayment for fishing vessels' construction (1,036,761)  
Prepayments made for fishing vessels' construction [Member]    
Prepayment for Long-Term Assets    
Prepayment for fishing vessels' construction  
Foreign currency fluctuation [Member]    
Prepayment for Long-Term Assets    
Prepayment for fishing vessels' construction $ 699,906